1.
military affairs; military matters
Matters relating to the military, armed forces, warfare, or defense. Frequently used as a prefix modifying other nouns.
軍事力を強化する。
To strengthen military power.
その地域では軍事衝突が続いている。
Military conflicts continue in that region.
両国は軍事同盟を結び、安全保障で協力している。
The two countries formed a military alliance and cooperate on security.
軍事 is most commonly used as a modifier preceding other nouns, functioning like an adjective.
COMMON COLLOCATIONS:
- 軍事力 (military power)
- 軍事基地 (military base)
- 軍事同盟 (military alliance)
- 軍事作戦 (military operation)
- 軍事費 (military expenditure)
- 軍事政権 (military regime)
- 軍事技術 (military technology)
Distinct from 軍 (army, military force) which refers to the armed forces themselves. 軍事 is more abstract, referring to military matters, policy, or affairs as a category.